4393990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25847}}^1$

素因数の和:25871

約数の個数: 16

約数和(自身を含む): 8374752

約数和(自身を除く): 3980762

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 25847, 51694, 129235, 258470, 439399, 878798, 2196995, 4393990]

約数ペア:

[(1, 4393990), (2, 2196995), (5, 878798), (10, 439399), (17, 258470), (34, 129235), (85, 51694), (170, 25847)]